When Jill turns to the newly single Dallas for inspiration and support, her marriage to Noah goes on the rocks. Meanwhile Dallas begins spending a lot of time with her hot younger boyfriend, Yoni, which causes tension with George, and Dalia befriends Lisa to get back at Tessa for dating Scott Strauss -- so Tessa decides to take action and recruits Kimantha to make Dalia jealous.

George begins dating Eden (Alicia Silverstone), a woman he met at the town's farmer's market. Tessa helps Dalia find her missing dog.

Tessa returns to Chatswin after spending summer with her grandmother; George finds Tessa's renewed interest in her mother threatening; Tessa signs up for the Fall Follies; Noah and Dallas compete for Carmen.

When Dalia abandons her friends Kimantha, Kenzie and Kaitlyn to hang out with her father's fiancee, her former pals turn to Lisa and Tessa; George and Dallas take their relationship to the next level.

When Yakult feels depressed, Dallas asks Yoni (Wilmer Valderrama) for help; the Shays ask Tessa to set Lisa up on a date.